1. An electric pole, characterized in that it comprises:

an inner layer, the inner layer comprising:

the at least two sections are sequentially connected to form an inner layer of an annular structure;

and the outer layer covers the outer surfaces of all the profiles.

2. The electric pole as recited in claim 1, further comprising:

the inner ring is positioned in the inner layer, and the outer surface of the inner ring is attached to the inner surface of the profile.

3. The electric pole as recited in claim 2, wherein the number of said inner rings is at least two, at least two of said inner rings being arranged in said inner ring at equal intervals.

4. The pole as recited in claim 2, wherein each of said profiles is provided with raised ribs on an inner surface thereof.

5. The electric pole as recited in claim 4, wherein the outer surface of the inner ring is provided with at least two grooves, and the number of the grooves is greater than or equal to the number of the reinforcing ribs, and the reinforcing ribs are embedded in the grooves.

6. The pole as recited in claim 5, wherein said grooves are in the same number and in the same position as said ribs.

7. The electric pole as recited in claim 6, wherein the two side edges of said profiles are tapered, adjacent profiles are connected by means of bonding, and the edges of adjacent profiles form receiving grooves.

8. The pole as recited in claim 7, wherein said outer layer is fiber reinforced resin wound around the outer surface of said profile and embedded in said receiving groove.

9. The pole as recited in claim 8, wherein said outer layer comprises:

the first layer is wound on the section in the circumferential direction and is embedded in the accommodating groove;

a second layer circumferentially wound on the first layer.

10. The pole as recited in claim 8, wherein said profile material is a fiber reinforced resin.

Background

The pole is the bridge of electricity, lets the electricity transport each place, and we common pole have wooden system pole, has the cement pole, and their height differs, stands upright in the plain mountain, spreads all over around people. The general category of poles is many, as is common: concrete pole is made of concrete and steel bars or wires. Iron rod: the concrete pole has two kinds of pre-stress and non-pre-stress. The section of the electric rod is square, octagonal, I-shaped, annular or other special-shaped sections. Circular cross-sections and square cross-sections are most commonly used. The length of the electric pole is generally 4.5-15 meters. The annular electric pole comprises a conical pole and an equal-diameter pole, the tip diameter of the conical pole is generally 100-230 mm, and the taper is 1: 75; the diameter of the isometric rod is 300-550 mm; the wall thickness of both the two is 30-60 mm

The distribution network 10kV composite material electric pole has the advantages of light weight, high strength, corrosion resistance, strong structural design and the like, the density of the distribution network 10kV composite material electric pole is 1/4-1/3, the weight of one composite material electric pole is 180-350 kg, the construction difficulty of a line can be effectively reduced, the reliability of the line in extreme weather such as typhoon and the like is improved, and the distribution network 10kV composite material electric pole is widely concerned at home and abroad in recent years. In the early stage, the Chinese academy of electrical sciences carries out field investigation work aiming at the use condition of the composite material pole in China, the composite material pole is mainly applied to regions such as mountainous areas, coastal areas (islands), and the like, which are inconvenient to transport and frequent in typhoon, the overall operation condition is good, but the use quantity and the operation life are few.

The electric pole in the prior art has the technical problem that the electric pole cannot be used in some areas with tight line corridors due to the fact that the application scenes of the electric pole are limited by the characteristics of low elastic modulus and large deflection deformation.

Disclosure of Invention

In order to solve the above problems, the present invention provides an electric pole, which is used for solving the technical problem that the electric pole in the prior art cannot be used in some areas with tight line corridors due to the limitation of the application scenarios due to the characteristics of low elastic modulus and large deflection deformation.

In order to solve the technical problem, the embodiment of the invention adopts the following technical scheme:

this embodiment provides an electric pole, the electric pole includes:

an inner layer, the inner layer comprising:

the at least two sections are sequentially connected to form an inner layer of an annular structure;

and the outer layer covers the outer surfaces of all the profiles.

Further, the electric pole further comprises:

the inner ring is positioned in the inner layer, and the outer surface of the inner ring is attached to the inner surface of the profile.

Furthermore, the number of the inner rings is at least two, and the at least two inner rings are arranged in the inner layers at equal intervals.

Furthermore, the inner surface of each section bar is provided with a raised reinforcing rib.

Furthermore, the outer surface of the inner ring is provided with at least two grooves, the number of the grooves is more than or equal to that of the reinforcing ribs, and the reinforcing ribs are embedded into the grooves.

Further, the electric pole further comprises:

the grooves are consistent with the reinforcing ribs in number and consistent with the reinforcing ribs in position.

Further, the electric pole further comprises:

the umbrella skirt, the umbrella skirt cover is located on the winding layer, the first end of umbrella skirt with first installation department is connected, the second end of umbrella skirt with the second installation department is connected.

Furthermore, the edges of the two sides of each section bar are provided with tapers, the adjacent section bars are connected in a bonding mode, and the edges of the adjacent section bars form accommodating grooves.

Further, the outer layer is made of fiber reinforced resin materials and wound on the outer surface of the profile.

Further, the outer layer comprises:

the first layer is wound on the section in the circumferential direction and is embedded in the accommodating groove;

a second layer circumferentially wound on the first layer.

Further, the material of the profile is fiber reinforced resin.

Compared with the prior art, the embodiment of the invention has the beneficial effects that:

an embodiment of the present invention provides an electric pole, including: an inner layer, the inner layer comprising: the at least two sections are sequentially connected to form an inner layer of an annular structure; and the outer layer covers the outer surfaces of all the profiles. According to the electric pole, at least two sections of the inner layer are sequentially connected to form an annular structure, so that the deflection deformation is effectively reduced on the premise of ensuring the mechanical strength; therefore, the technical problem that the electric pole in the prior art cannot be used in some areas with nervous line corridors due to the fact that the application scene of the electric pole is limited by the characteristics of low elastic modulus and large deflection deformation is effectively solved; meanwhile, the weight of the product can be reduced to a certain degree. Because the pultruded profile has stable performance and high production efficiency, the cost of the product is favorably reduced.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only the embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an electric pole according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a cut-away electric pole provided in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a profile of an electric pole provided by an embodiment of the invention;

fig. 4 is a schematic structural diagram of an inner ring of an electric pole according to an embodiment of the present invention.

Wherein:

1. an outer layer; 2. an inner layer; 21. a section bar; 211. reinforcing ribs; 3. an inner ring; 31. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

Referring to fig. 1, fig. 1 is a schematic side view of an electric pole for a radius according to an embodiment of the present invention.

As shown in fig. 1 to 4, the present embodiment provides an electric pole, comprising:

an inner layer 2, the inner layer 2 comprising:

at least two pieces of section bars 21, wherein the at least two pieces of section bars 21 are sequentially connected to form the inner layer 2 of the annular structure;

an outer layer 1, wherein the outer layer 1 covers all the outer surfaces of the section bars 21.

Wherein, the material of the section bar 21 is fiber reinforced resin.

The inner layer 2 is a main bearing component; the pultrusion section 21 is of a fan-shaped sheet structure, and the thickness of the pultrusion section is 3 mm-15 mm;

the number of the section bars 21 can be 2, 3 or 4, etc., and the tubular inner layer 2 is formed by sequential connection in a tail-end mode.

In the electric pole of the embodiment, at least two sections 21 of the inner layer 2 are sequentially connected to form an annular structure, so that the deflection deformation is effectively reduced on the premise of ensuring the mechanical strength; therefore, the technical problem that the electric pole in the prior art cannot be used in some areas with nervous line corridors due to the fact that the application scene of the electric pole is limited by the characteristics of low elastic modulus and large deflection deformation is effectively solved; meanwhile, the weight of the product can be reduced to a certain degree. The pultruded profile 21 has stable performance and high production efficiency, thereby being beneficial to reducing the manufacturing cost of products.

In this embodiment, since there may be a case where the mechanical strength is insufficient only by the inner layer 2, the electric pole further includes:

the inner ring 3 is positioned in the inner layer 2, and the outer surface of the inner ring 3 is attached to the inner surface of the section bar 21.

The inner ring 3 can act on the section bar 21, so that the section bar 21 has high mechanical strength and is used for fixing the section bar 21, and the inner ring 3 is made of resin materials and is formed by a die pressing process; the mechanical strength of the pole can be further enhanced.

The number of the inner rings 3 is at least two, and the at least two inner rings 3 are arranged in the inner layer 2 at equal intervals.

The at least two inner rings 3 can also be distributed inside the inner layer 2 according to a specific rule (such as substantially dense or top-dispersed) so as to improve the bending resistance of the electric pole to the maximum extent;

at least two equidistant range of inner ring 3 in can guarantee to the inlayer 2 provides even support, so that the pole can have better mechanical strength and bending resistance.

In the present embodiment, a raised rib 211 is provided on the inner surface of each of the profiles 21.

The mechanical strength of the inner layer 2 can be further enhanced by the reinforcing ribs 211, and thus, the inner layer can be adapted to more environments.

In this embodiment, at least two grooves 31 are formed in the outer surface of the inner ring 3, the number of the grooves 31 is greater than or equal to the number of the reinforcing ribs 211, and the reinforcing ribs 211 are embedded in the grooves 31.

The reinforcing rib 211 is embedded in the groove 31 to fix and limit the inner ring 3, so that the inner ring 3 can better play a supporting role.

The number of grooves 31 may be greater than or equal to the number of ribs 211 to enable a better fit of the inner ring 3 on the inner surface of the section bar 21.

The number of the grooves 31 is consistent with that of the reinforcing ribs 211, and the positions of the grooves and the reinforcing ribs are consistent.

The grooves 31 correspond to the reinforcing ribs 211 one by one, so that gaps between the inner ring 3 and the sectional material 21 are reduced, and the inner ring 3 can play a better supporting role.

In this embodiment, the two side edges of the profiles 21 have a taper, adjacent profiles 21 are connected by bonding, and the edges of adjacent profiles 21 form an accommodating groove.

The outer layer 1 is made of fiber reinforced resin wound on the outer surface of the section bar 21 and embedded in the accommodating groove;

the resin of the outer layer 1 flows into the containing groove, and the resin flows into and is filled in the containing groove to play a role in bonding.

Specifically, the outer layer 1 includes:

the first layer is wound on the section bar 21 in the circumferential direction and is embedded in the accommodating groove;

a second layer circumferentially wound on the first layer.

The section bar 21 is annularly wound on the first layer, and is circumferentially wound on the second layer, and because the two layers are different in expansion coefficient during winding, the interface problem is solved, and a buffering effect is achieved.

The outer layer 1 is arranged on the inner layer 2 assembled by the sectional material 21, is used for preventing the inner layer 2 from being corroded by external environment and ensuring the service life of the inner layer, is made of fiber reinforced resin materials, is formed by a winding process, and has the thickness of 2-5 mm.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.